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55# Yulan Street,zhengzhou,henan,China China
The High Pure Single Crystal copper, made from one grain without any grain boundaries, processed in continuous casting of single Crystal metal. Its ex
We are specialized in produce high quality and high purity(5N|6N) single crystal copper & silver (OCC copper & silver). Our products have been expor
Personne àcontacter Mr. Yunzhi Zhang
Nom de la société 55# Yulan Street, zhengzhou, henan
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